I answered on paper hope that is alright with you. I just find it easier for math problems. That slash means two numbers cancel each other out. What's in the box is the answer and the proof that it's right is underneath.
Answer:
y= $25-$10.50
Step-by-step explanation:
She needs to divided it and then simplify it
1. If you knew that DE =

CB
Then you would know it is a mid-segment.
2. If you knew that CD = DA and BE = EA (point D and point E are midpoints of their respective segments)
Answer: the 2nd one
Step-by-step explanation: because i said so ur the dum one